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/*
* Copyright (c) 2009, 2010 Wayne Meissner
* Copyright (c) 2008-2013, Ruby FFI project contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Ruby FFI project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef RUBYFFI_CLOSUREPOOL_H
#define RUBYFFI_CLOSUREPOOL_H
typedef struct ClosurePool_ ClosurePool;
typedef struct Closure_ Closure;
struct Closure_ {
void* info; /* opaque handle for storing closure-instance specific data */
void* function; /* closure-instance specific function, called by custom trampoline */
void* code; /* Executable address for the native trampoline code location */
void* pcl; /* Writeable address for the native trampoline code location */
struct ClosurePool_* pool;
Closure* next;
};
void rbffi_ClosurePool_Init(VALUE module);
ClosurePool* rbffi_ClosurePool_New(int closureSize,
bool (*prep)(void* ctx, void *code, Closure* closure, char* errbuf, size_t errbufsize),
void* ctx);
void rbffi_ClosurePool_Free(ClosurePool *);
Closure* rbffi_Closure_Alloc(ClosurePool *);
void rbffi_Closure_Free(Closure *);
void* rbffi_Closure_GetCodeAddress(Closure *);
#endif /* RUBYFFI_CLOSUREPOOL_H */
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